TEST 21 — Cargo · MMSI 417000021

TEST 21 was last reported in the East China Sea, within the Taiwan Strait, on 5 Nov 2026, 01:06 UTC. It was sailing from XIAMEN to SHANGHAI with an ETA of 17 Mar 2026, 11:05 UTC. Its exact coordinates, speed and ETA are shown at the top of this page and refresh from the latest AIS broadcast.

TEST 21 broadcasts MMSI 417000021. The MMSI is the radio identifier used by AIS; the IMO number stays with the ship for life and does not change with re-flagging or sale.

TEST 21 is classified as a cargo vessel registered under the LK flag. The vessel-type classification is derived from the AIS Type field broadcast by the ship's transponder; full cargo fleet at /vessel-type/cargo and full LK flag list at /flag/lk.

MarineRadar shows the latest AIS broadcast from TEST 21 above, with current position, course, speed, and navigation status. Tap "View on map" to centre the live tracker on the vessel and watch its movement update in real time. The same data is available offline-friendly in the iOS and Android apps.

AIS transponders broadcast position every 2 seconds when underway at high speed and up to every 3 minutes at anchor. The position you see refreshes whenever the ship is in range of a coastal AIS receiver or a satellite pass — typically seconds in coastal waters and minutes offshore.

As a cargo, TEST 21 sits in the same design class as the other cargos listed in the Similar Vessels section of the vessel page, or in the full cargo directory at /vessel-type/cargo.